单选题

　　[填句补文]It's now socially acceptable， even fashionable， to live alone. As people get better jobs and become financially independent， it becomes possible for them to maintain a one-person household. ________. However， people who do get married are marrying at a later age and divorcing more often.

　　A.There's more pressure to get married nowadays.

　　B.The growing number of women with good jobs has done much to increase the number of people living alone.

　　C.It seems that many grown-ups today are realizing that childhood dream.

　　D.More and more Americans are living alone.